CN105364077A - Method for manufacturing mobile phone card holder - Google Patents
Method for manufacturing mobile phone card holder Download PDFInfo
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- CN105364077A CN105364077A CN201410423666.8A CN201410423666A CN105364077A CN 105364077 A CN105364077 A CN 105364077A CN 201410423666 A CN201410423666 A CN 201410423666A CN 105364077 A CN105364077 A CN 105364077A
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- mobile phone
- sintering
- injection
- degreasing
- phone kato
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Abstract
The invention relates to mobile phone accessories, in particular to a method for manufacturing a mobile phone card holder. According to the scheme, the method comprises the following steps that 1, stainless steel powder and organic polymer materials are mixed and pelleted; a pelleted mixture is subjected to injection molding in a molding mold, the injection temperature ranges from 181 DEG C to 200 DEG C, the pressure ranges from 60 MPa to 120 MPa, the mold temperature ranges from 110 DEG C to 130 DEG C, and a mobile phone card holder blank is obtained through injection; 3, the blank is degreased after injection, the degreasing temperature ranges from 100 DEG C to 120 DEG C, the duration ranges from 0.5 h to 3 h, and a degreased part is obtained; and 4, a product is subjected to vacuum sintering after degreasing, the sintering temperature ranges from 1,000 DEG C to 1,500 DEG C, the sintering vacuum degree ranges from 1 Pa to 50,000 Pa, inert gas is adopted as sintering protective atmosphere, a sintered part is subjected to correction machining, and thus the mobile phone card holder is obtained. The mobile phone card holder manufactured through the method is good in consistency and has the beneficial effects of being high in strength and corrosion resistance.
Description
Technical field
The present invention relates to Cellphone Accessories, be specifically related to a kind of manufacture method of mobile phone Kato.
Background technology
Mobile phone Kato is used to the parts of fixing Mobile phone card, due to this parts small volume, and complex structure, so require higher to the making degree that becomes more meticulous.Existing mobile phone Kato adopts mechanical processing method to produce usually, but Mobile phone card holder structure is complicated, and make manufacturing procedure loaded down with trivial details, mechanical processing method production efficiency is low, cannot on a large scale, low-cost production, and the uniformity of mobile phone Kato of existing machinery method production is poor.
Summary of the invention
The object of the invention is the above-mentioned shortcoming in order to solve prior art, a kind of manufacture method of new mobile phone Kato is provided.
The solution of the present invention is, a kind of manufacture method of mobile phone Kato, comprises the following steps:
(1) powder of stainless steel is mixed with high-molecular organic material, granulation;
(2) in mould, carry out injection moulding to the mixture after granulation, injection temperature 181 ~ 200 DEG C, pressure 60 ~ 120MPa, mould temperature 110 ~ 130 DEG C, injection obtains mobile phone Kato blank;
(3) degreasing is carried out to blank, skimming temp 100 ~ 120 DEG C after injection, 0.5 ~ 3 hour time, obtain degreasing part;
(4) carry out vacuum-sintering to product after degreasing, sintering temperature 1000 ~ 1500 DEG C, sintering vacuum is 1 ~ 50000Pa, and adopts inert gas to be sintering protective atmosphere; Sintered part carries out inspection machine processing, obtains mobile phone Kato product.
Another preferred version is, during step (2) injection moulding, and injection temperature 190 ~ 195 DEG C.
Another preferred version is, during step (2) injection moulding, pressure is 105 ~ 110MPa.
Another preferred version is, during step (2) injection moulding, mould temperature is 120 DEG C.
Another preferred version is, when step (3) carries out degreasing to blank, skimming temp is 110 DEG C.
Another preferred version is, when step (3) carries out degreasing to blank, degreasing time is 1 ~ 2 hour.
Another preferred version is, when product being sintered after step (4) degreasing, and sintering temperature 1400 ~ 1450 DEG C, sintering time 2 hours.
Method of the present invention produced mobile phone Kato uniformity is good, overcomes the conforming shortcoming of this special-shaped structure piece of existing machinery processing mobile phone Kato.Meanwhile, the mobile phone Kato adopting this method powder injection forming to produce also has the advantage of high strength and highly corrosion resistant.This manufacture method also greatly reduces the production cost of mobile phone Kato, overcomes the shortcoming that existing machinery autofrettage metal material utilization rate is not high.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, and protection scope of the present invention is not limited in these embodiments.
The manufacture method of embodiment 1 mobile phone Kato
Adopt stainless steel powder (17-4PH) and high-molecular organic material to carry out feedstock preparation, carry out metal injection, injection temperature 181 ~ 200 DEG C, pressure 60 ~ 120MPa, mould temperature 120 DEG C in corresponding mould, injection obtains injection blank; After injection, catalysis degreasing is carried out to blank, skimming temp 110 DEG C, 1 ~ 2 hour time, obtain degreasing part; After degreasing, product is sintered, sintering temperature 1000 ~ 1500 DEG C.Sintered part is corrected, obtains mobile phone Kato product.
The manufacture method of embodiment 2 mobile phone Kato
(1) powder of stainless steel is mixed with high-molecular organic material, granulation;
(2) in mould, carry out injection moulding to the mixture after granulation, injection temperature 190 DEG C, pressure 110MPa, mould temperature 120 DEG C, injection obtains mobile phone Kato blank;
(3) degreasing is carried out to blank, skimming temp 110 DEG C after injection, 1 hour time, obtain degreasing part;
(4) carry out vacuum-sintering to product after degreasing, sintering temperature 1400 ~ 1450 DEG C, sintering vacuum is 1 ~ 50000Pa, and adopts inert gas helium to be sintering protective atmosphere, and sintering time is 2 hours; Sintered part carries out inspection machine processing again, obtains mobile phone Kato product.
The manufacture method of embodiment 3 mobile phone Kato
(1) powder of stainless steel is mixed with high-molecular organic material, granulation;
(2) in mould, carry out injection moulding to the mixture after granulation, injection temperature 200 DEG C, pressure 105MPa, mould temperature 130 DEG C, injection obtains mobile phone Kato blank;
(3) carry out degreasing to blank, skimming temp 120 DEG C after injection, time 2 h, obtains degreasing part;
(4) carry out vacuum-sintering to product after degreasing, sintering temperature 1000 ~ 1200 DEG C, sintering vacuum is 1 ~ 50000Pa, and adopts inert gas to be sintering protective atmosphere; Sintered part carries out inspection machine processing, obtains mobile phone Kato product.
The manufacture method of embodiment 4 one kinds of mobile phone Katos
(1) powder of stainless steel is mixed with high-molecular organic material, granulation;
(2) in mould, carry out injection moulding to the mixture after granulation, injection temperature 190 DEG C, pressure 60MPa, mould temperature 110 DEG C, injection obtains mobile phone Kato blank;
(3) degreasing is carried out to blank, skimming temp 100 DEG C after injection, 3 hours time, obtain degreasing part;
(4) carry out vacuum-sintering to product after degreasing, sintering temperature 1200 ~ 1300 DEG C, sintering vacuum is 1 ~ 50000Pa, and adopts inert gas to be sintering protective atmosphere; Sintered part carries out inspection machine processing, obtains mobile phone Kato product.
The manufacture method of embodiment 5 mobile phone Kato
(1) powder of stainless steel is mixed with high-molecular organic material, granulation;
(2) in mould, carry out injection moulding to the mixture after granulation, injection temperature 195 DEG C, pressure 120MPa, mould temperature 130 DEG C, injection obtains mobile phone Kato blank;
(3) degreasing is carried out to blank, skimming temp 120 DEG C after injection, 0.5 hour time, obtain degreasing part;
(4) carry out vacuum-sintering to product after degreasing, 1400 ~ 1450 DEG C, sintering time 2 hours, sintering vacuum is 1 ~ 50000Pa, and adopts inert gas to be sintering protective atmosphere; Sintered part carries out inspection machine processing, obtains mobile phone Kato product.
The high-molecular organic material of above-described embodiment act as auxiliary bonding agent, bonding agent consumption is 3% ~ 15% of powder of stainless steel gross mass, each metal dust is bonded together better, when degreasing and sintering, these bonding agents at high temperature can all be deviate from, adhesive component is by weight percentage: paraffin 20% ~ 50%, high density polyethylene (HDPE) 25% ~ 45%, EVA resin 10% ~ 35%.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (7)
1. a manufacture method for mobile phone Kato, is characterized in that, comprises the following steps:
(1) powder of stainless steel is mixed with high-molecular organic material, granulation;
(2) in mould, carry out injection moulding to the mixture after granulation, injection temperature 181 ~ 200 DEG C, pressure 60 ~ 120MPa, mould temperature 110 ~ 130 DEG C, injection obtains mobile phone Kato blank;
(3) degreasing is carried out to blank, skimming temp 100 ~ 120 DEG C after injection, 0.5 ~ 3 hour time, obtain degreasing part;
(4) carry out vacuum-sintering to product after degreasing, sintering temperature 1000 ~ 1500 DEG C, sintering vacuum is 1 ~ 50000Pa, and adopts inert gas to be sintering protective atmosphere; Sintered part carries out inspection machine processing, obtains mobile phone Kato product.
2. the manufacture method of mobile phone Kato according to claim 1, is characterized in that, during step (2) injection moulding, and injection temperature 190 ~ 195 DEG C.
3. the manufacture method of mobile phone Kato according to claim 1, it is characterized in that, during step (2) injection moulding, pressure is 105 ~ 110MPa.
4. the manufacture method of mobile phone Kato according to claim 1, it is characterized in that, during step (2) injection moulding, mould temperature is 120 DEG C.
5. the manufacture method of mobile phone Kato according to claim 1, it is characterized in that, when step (3) carries out degreasing to blank, skimming temp is 110 DEG C.
6. the manufacture method of mobile phone Kato according to claim 1, it is characterized in that, when step (3) carries out degreasing to blank, degreasing time is 1 ~ 2 hour.
7. the manufacture method of mobile phone Kato according to claim 1, is characterized in that, when product being sintered after step (4) degreasing, and sintering temperature 1400 ~ 1450 DEG C, sintering time 2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423666.8A CN105364077A (en) | 2014-08-26 | 2014-08-26 | Method for manufacturing mobile phone card holder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423666.8A CN105364077A (en) | 2014-08-26 | 2014-08-26 | Method for manufacturing mobile phone card holder |
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| CN105364077A true CN105364077A (en) | 2016-03-02 |
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| CN201410423666.8A Pending CN105364077A (en) | 2014-08-26 | 2014-08-26 | Method for manufacturing mobile phone card holder |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666065A (en) * | 2016-04-07 | 2016-06-15 | 惠州威博精密科技有限公司 | Method for manufacturing integrated mobile phone card carrier |
| CN105870760A (en) * | 2016-04-26 | 2016-08-17 | 广东长盈精密技术有限公司 | Manufacturing technology of electronic card support |
| CN106001579A (en) * | 2016-06-03 | 2016-10-12 | 中山市奥博精密科技有限公司 | Technology for manufacturing panel of golf club |
| CN107235710A (en) * | 2017-05-18 | 2017-10-10 | 深圳天珑无线科技有限公司 | A kind of mobile phone Kato and preparation method thereof |
| CN107377977A (en) * | 2017-07-18 | 2017-11-24 | 东莞华晶粉末冶金有限公司 | The method and apparatus that a kind of MIM techniques make mobile phone Kato |
| CN107498056A (en) * | 2017-07-31 | 2017-12-22 | 昆山米泰克精密电子组件有限公司 | A kind of Kato production technology |
| CN108023604A (en) * | 2016-10-27 | 2018-05-11 | 浙江火科技股份有限公司 | A kind of compound Kato of metal-ceramic for portable terminal and its manufacture method |
| CN108213439A (en) * | 2017-05-26 | 2018-06-29 | 浙江火科技股份有限公司 | A kind of method using powder injection forming production tooth orthodontics self-locking bracket |
| CN109604584A (en) * | 2018-12-17 | 2019-04-12 | 中山市奥博精密科技有限公司 | Stainless steel mixed material feed and preparation method thereof |
| CN109680220A (en) * | 2018-12-07 | 2019-04-26 | 东莞市华研新材料科技有限公司 | A kind of production technology and its mobile phone Kato of mobile phone Kato |
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| JPS55122804A (en) * | 1979-03-15 | 1980-09-20 | Toshiba Corp | Production of sintered part |
| CN1662330A (en) * | 2003-04-03 | 2005-08-31 | 太盛工业株式会社 | Mfg. method of sintered shaped powders, sintered shaped powders,mfg. method of powder injection moulded body and powder injection moulding |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666065A (en) * | 2016-04-07 | 2016-06-15 | 惠州威博精密科技有限公司 | Method for manufacturing integrated mobile phone card carrier |
| CN105870760A (en) * | 2016-04-26 | 2016-08-17 | 广东长盈精密技术有限公司 | Manufacturing technology of electronic card support |
| CN106001579A (en) * | 2016-06-03 | 2016-10-12 | 中山市奥博精密科技有限公司 | Technology for manufacturing panel of golf club |
| CN108023604A (en) * | 2016-10-27 | 2018-05-11 | 浙江火科技股份有限公司 | A kind of compound Kato of metal-ceramic for portable terminal and its manufacture method |
| CN108023604B (en) * | 2016-10-27 | 2020-04-10 | 浙江一火科技股份有限公司 | Metal-ceramic composite card holder for portable terminal and manufacturing method thereof |
| CN107235710A (en) * | 2017-05-18 | 2017-10-10 | 深圳天珑无线科技有限公司 | A kind of mobile phone Kato and preparation method thereof |
| CN108213439A (en) * | 2017-05-26 | 2018-06-29 | 浙江火科技股份有限公司 | A kind of method using powder injection forming production tooth orthodontics self-locking bracket |
| CN107377977A (en) * | 2017-07-18 | 2017-11-24 | 东莞华晶粉末冶金有限公司 | The method and apparatus that a kind of MIM techniques make mobile phone Kato |
| CN107498056A (en) * | 2017-07-31 | 2017-12-22 | 昆山米泰克精密电子组件有限公司 | A kind of Kato production technology |
| CN109680220A (en) * | 2018-12-07 | 2019-04-26 | 东莞市华研新材料科技有限公司 | A kind of production technology and its mobile phone Kato of mobile phone Kato |
| CN109604584A (en) * | 2018-12-17 | 2019-04-12 | 中山市奥博精密科技有限公司 | Stainless steel mixed material feed and preparation method thereof |
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| PB01 | Publication | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 321001 Zhejiang Province, Jinhua city Wucheng District Youth Industrial Zone Applicant after: Zhejiang fire Polytron Technologies Inc Address before: 321001 Zhejiang Province, Jinhua city Wucheng District Youth Industrial Zone Applicant before: Zhejiang Yihuo Technology Co., Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160302 |